Abstract
As a severe danger to potato plants, potato cyst nematodes (PCNs) are regulated quarantine pests in many countries. Adhering soils to potato or other tuber crops provoke the uncontrolled spread of the pest after their industrial processing. The disinfection of soil tares to inactivate PCNs is therefore compulsory. In the present study, we test whether the viability and formation of PCN cysts are suppressed after treatment with γ and β irradiation. In a first experiment, nematode cysts were treated with γ or β irradiation without soil matrix to determine the minimum dose parameters in a range between 0–12 kGy. Subsequently, two representative soils that included cysts were irradiated. Irradiation effects on PCN viability and the formation of new cysts were evaluated via hatching tests and bioassays with susceptible potato plants, respectively. In addition, maize seedling growth was tested in irradiated soil tares. We found that next to γ also, β irradiation suppressed the hatch of PCN juveniles and its formation of cysts when placed in soil tares. The growth of maize seedlings was not impaired in irradiated soils compared to control soils. Both γ and β irradiation treatment offer an organism group selective and effective phytosanitary measures to disinfect soil tares from PCNs.
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Claims 3
Claim · model-written summary
Beta irradiation suppressed hatch of potato cyst nematode juveniles and cyst formation when placed in soil tares.
- Taxon
- potato
Solanum tuberosume4 - Treatment
- β irradiatione1
- Interactor
- PCNe1pest
- Outcome
- hatch of PCN juveniles and its formation of cystse1
- Direction
- suppressede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“We found that next to γ also, β irradiation suppressed the hatch of PCN juveniles and its formation of cysts when placed in soil tares”
e4“bioassays with susceptible potato plants”
Claim · model-written summary
Both gamma and beta irradiation offer organism-group-selective and effective phytosanitary measures to disinfect potato soil tares from PCNs.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- γ and β irradiation treatmente3
- Interactor
- PCNse3pest
- Outcome
- effective phytosanitary measures to disinfect soil tares from PCNse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As a severe danger to potato plants, potato cyst nematodes (PCNs) are regulated quarantine pests in many countries”
e3“Both γ and β irradiation treatment offer an organism group selective and effective phytosanitary measures to disinfect soil tares from PCNs”
Claim · model-written summary
Irradiated soils did not impair the growth of maize seedlings compared with control soils.
- Treatment
- irradiated soilse2
- Outcome
- growth of maize seedlingse2
- Direction
- not impairede2
- Comparator
- control soilse2
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The growth of maize seedlings was not impaired in irradiated soils compared to control soils”
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